diff --git a/src/UI/Components/MainContent/Regist.tsx b/src/UI/Components/MainContent/Regist.tsx
index 9ac3e7419..aecf4b302 100644
--- a/src/UI/Components/MainContent/Regist.tsx
+++ b/src/UI/Components/MainContent/Regist.tsx
@@ -120,7 +120,7 @@ export default class Regist extends React.Component<{ store?: TopPanelStore; }>
         if (this.inputIntent.InviteCode !== Intent.SUCCESS)
         {
             AppToaster.show({
-                message: "邀请码有误",
+                message: this.registInput.invite_code.length === 0 ? "邀请码不能为空" : "邀请码有误",
                 intent: Intent.DANGER,
                 timeout: 1000,
             });